Free Shipping on orders $75+     See Details

20% Off Sleep Sale  Shop Now

Extra 25% Off Sale: CODE "EXTRA25"Shop Now

30% Off Value Brands  Shop Now

Google Pay, Apple Pay, Venmo, PayPal Pay Later (4 payments)

Toggle Nav
Favorites
Favorites

42D4

Filter By
Filter
Clear All Filters
Sizing
Color
Brand
Style/Features
  1. All
A
  1. Adjustable Straps 26
  2. Animal Print 3
B
  1. Bra-Sized Swimsuits 28
  2. Bright Colored Prints 5
C
  1. Convertible 1
  2. Cut Outs 3
D
  1. DD+ Swimsuits
F
  1. Florals 8
  2. Full-Coverage 3
G
  1. Geometric Accents 2
H
  1. Halter 1
L
  1. Lined 27
  2. Long Torso Swimsuits 1
M
  1. Mesh 11
N
  1. No Wire Swimsuits 2
  2. No-Padding 25
O
  1. O Rings 1
  2. One Piece Swimsuits 10
P
  1. Padded 4
  2. Patterned 20
  3. Plaid 1
  4. Plunge 2
  5. Plus Size 27
  6. Polka Dots 1
R
  1. Retro 2
  2. Ruffles 4
S
  1. Shelf Bra 2
  2. Side Support Sling 1
  3. Solid 7
  4. Stripes 1
  5. Swimsuit Tops 19
T
  1. Textured Swim 1
  2. Ties 8
  3. Triangle Swimsuits 1
  4. Tropical 11
  5. Two Piece Swimsuits 20
U
  1. Underwire 27
W
  1. Wireless 2
Lifestyle
Selected (1):
Clear All

D4 is your Universal Cup Size (UCS)

Did you know American and European brands like Wacoal, Vanity Fair, Chantelle, Prima Donna call your cup size a G, but United Kingdom brands like Fantasie, Panache, Freya, Elomi call your cup size an F? Only at HerRoom, search 42D4 and see everything that comes in both your bra sizes.

Items 1-24 of 29

  1. Ottawa Underwire Twist Front One Piece SwimsuitOttawa Underwire Twist Front One Piece Swimsuit
    Swim
    Fantasie fs6360

    Ottawa Underwire Twist Front One Piece Swimsuit
    Rating:
    83%
    13
    $71.99 - $126.00
    Add to Compare
  2. Sanoa Island Underwire V-Neck One-Pc SwimsuitSanoa Island Underwire V-Neck One-Pc Swimsuit
    Swim
    Fantasie fs3030

    Sanoa Island Underwire V-Neck One-Pc Swimsuit
    Rating:
    80%
    1
    $139.00 $89.95
    Add to Compare
  9. First Class Plunge One Piece SwimsuitFirst Class Plunge One Piece Swimsuit
    Swim
    Curvy Kate cs20605

    First Class Plunge One Piece Swimsuit
    Rating:
    60%
    1
    $95.00 $76.95
    Add to Compare
  16. Lake Orta Underwire Twist Front One-Pc SwimsuitLake Orta Underwire Twist Front One-Pc Swimsuit
    Swim
    Fantasie fs3331

    Lake Orta Underwire Twist Front One-Pc Swimsuit
    Rating:
    93%
    3
    $126.00 $94.95
    Add to Compare
  22. Kotiya Underwire Bikini Swim TopKotiya Underwire Bikini Swim Top
    Swim
    Elomi es0906

    Kotiya Underwire Bikini Swim Top
    Rating:
    100%
    2
    $75.00 $34.99 - $44.95
    Add to Compare
  24. Bamboo Grove Underwire Gathered Full Cup Swim TopBamboo Grove Underwire Gathered Full Cup Swim Top
    Swim
    Fantasie fs1601

    Bamboo Grove Underwire Gathered Full Cup Swim Top
    Rating:
    100%
    1
    $76.00 $34.99
    Add to Compare
Page
per page